2013 Si Premium Audio w/ Nav- Having trouble understanding wiring in aftermarket amp

dieselpb

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So over the past few days I've been reading threads from here and 9thgencivic about adding in an aftermarket sub for my 13 Si with premium audio and nav.

I think I have everything down but I'm still having trouble understanding how to do it. I would like to keep the factory amp running everything but the sub. I'm on a budget of about $250 for an amp so I can't afford anything fancy that has balanced inputs like a JL(even though I'm running a JL W7 12 that I got used for 100 bucks), and one of the more informative threads on 9thgen relies on a balanced line driver that Rockford Fosgate doesn't make anymore. I'm not looking for an uber high-quality listening experience, I just want more bass in my car.

From what I've read, I should be able to go to the 24 pin connector on the factory amp and cut and splice in a speaker wire to RCA adapter to the SUB+ and SUB- wires and then run RCA cables directly back to the trunk. I would also tap into the 24 pin connector for the amp remote wire.

Am I missing anything? If so can someone explain to me what exactly what I need to do? Thanks
 
https://9thcivic.com/forum/threads/replacing-rear-deck-subwoofer.6876/#post-141899

Read from that post and then the following comments. It discusses some issues

So After reading that , I should be able to use this https://www.crutchfield.com/S-u78bm1dW97B/p_136CLRLC/JL-Audio-CL-RLC.html for the balanced inputs? Just chop the pre-amp and replace with RCA then wire that in and send that back to the amp. Leaving the control knob from the amp to take care of adjusting bass.
 
[QUOTE = "dieselpb, publicación: 458896, miembro: 70886"] Entonces, después de leer eso, debería poder este https://www.crutchfield.com/S-u78bm1dW97B/p_136CLRLC/JL-Audio-CL-RLC. html para las entradas balanceadas? Simplemente corte el preamplificador y reemplácelo con RCA, luego conéctelo y envíelo de regreso al amplificador. Dejando la perilla de control del amplificador para encargarse de ajustar los graves. [/ CITA]
Si sacas el audio de la Unidad Principal antes de entrar al amplificador externo de fabrica, no ocupas convertidor de líneas altas, ya que las salidas de la unidad principal son "mudas", quiere decir que puedes enviarlas directamente al amplificador colocando conectores rca. Incluso si utilizas la salida de subwoofer puedes ajustar los graves desde la unidad principal.
https://www.ebay.com/itm/Honda-Acura-Factory-Amp-Bypass/162475749705 este conector te puede ayudar a asacar el audio desde el arnes que sale de la unidad principal.
Si solo quieres cambiar el subwoofer puedes utilizar un audiocontrol lc2i y directamente atras en la cajuela sin acceder al conector de 24 pin desde el cable de el subwoofer metes la señal en alta al lc2 y este te la envia preamplificada al amplificador, que por cierto te la puede restaurar si compras el producto con la propiedad accubass. https://www.audiocontrol.com/car-audio/factory-system-upgrade/lc2i/
 
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